| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.06 | 0.96 | 0.10 |
| Feb | 1.11 | 1.02 | 0.09 |
| Mar | 1.99 | 1.84 | 0.15 |
| Apr | 3.52 | 3.45 | 0.07 |
| May | 4.45 | 4.65 | -0.20 |
| Jun | 5.26 | 5.48 | -0.22 |
| Jul | 4.13 | 4.45 | -0.32 |
| Aug | 4.59 | 4.79 | -0.20 |
| Sep | 3.78 | 3.96 | -0.18 |
| Oct | 2.56 | 2.55 | 0.01 |
| Nov | 1.82 | 1.81 | 0.01 |
| Dec | 1.30 | 1.15 | 0.15 |
35.57 | 36.11 | -0.54 |